For all the mini slimline card lovers, this Mini Envelope Die set is part of the Essentials Collection from Pinkfresh Studio. This die will create mini envelopes and the finished envelope measures 3.5" x 6.5". This die is going to be a great addition to your die collection. These dies are compatible with leading die cutting machines (sold separately). You will be able to make envelopes out of not just white and solid cardstocks, but patterned papers as well to either mail or hand deliver. Another definite win/win situation for all crafters.